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11020000012021 = 7211134352170201
BaseRepresentation
bin1010000001011100101100…
…1011111010011011110101
31110000111112202012120001101
42200113023023322123311
52421022430000341041
635234303525130101
72215111605400300
oct240271313723365
943014482176041
1011020000012021
113569612796a70
12129b8bb859931
1361c248b042b0
142a1529861b37
151419c7428b31
hexa05cb2fa6f5

11020000012021 has 96 divisors (see below), whose sum is σ = 15440337956736. Its totient is φ = 7727166720000.

The previous prime is 11020000012009. The next prime is 11020000012051. The reversal of 11020000012021 is 12021000002011.

It is not a de Polignac number, because 11020000012021 - 211 = 11020000009973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020000011989 and 11020000012007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020000012001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 156942721 + ... + 157012921.

It is an arithmetic number, because the mean of its divisors is an integer number (160836853716).

Almost surely, 211020000012021 is an apocalyptic number.

11020000012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020000012021 is a deficient number, since it is larger than the sum of its proper divisors (4420337944715).

11020000012021 is a wasteful number, since it uses less digits than its factorization.

11020000012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70803 (or 70796 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020000012021 its reverse (12021000002011), we get a palindrome (23041000014032).

The spelling of 11020000012021 in words is "eleven trillion, twenty billion, twelve thousand, twenty-one".

Divisors: 1 7 11 13 43 49 77 91 143 301 473 521 539 559 637 1001 2107 3311 3647 3913 5731 6149 6773 7007 22403 23177 25529 27391 40117 43043 47411 70201 74503 156821 246433 280819 291239 301301 331877 491407 521521 772211 912613 1097747 1725031 2038673 3018643 3203629 3439849 3650647 5405477 6388291 10038743 12075217 14270711 21130501 22425403 33205073 36574721 37838339 39242359 44718037 70271201 147913507 156977821 232435511 256023047 274696513 402321931 431665949 475471373 491898407 1572713003 1627048577 1792161329 1922875591 2816253517 3021661643 3328299611 5230185103 11008991021 17299843033 19713774619 20445269039 21151631501 23298097277 36611295721 77062937147 121098901231 143116883273 224897959429 256279070047 847692308617 1001818182911 1574285716003 11020000012021